<div class="body">  

    <div class="up-part"> 
        <!-- <app-titlebar-cmp [folderData]="folderData" class="titlebar"></app-titlebar-cmp> -->
        <app-menubar-cmp class="menubar"></app-menubar-cmp> 
        <app-toolbar-cmp class="toolbar"></app-toolbar-cmp>
        <mat-divider></mat-divider>
    </div>

    <div class="middle-part" >
        <!-- 侧边栏 -->
        <app-sidebar-cmp class="sidebar"></app-sidebar-cmp>
        <!-- 内容区域 -->
        <app-content-cmp class="content"></app-content-cmp>
    </div>

    <div class="down-part">
        <app-infobar-cmp class="infobar"></app-infobar-cmp>
    </div>
</div>